move-only: Move functions to blockstorage

src/validation.h

@@ -135,10 +135,6 @@ extern CBlockIndex *pindexBestHeader;
 /** Documentation for argument 'checklevel'. */
 extern const std::vector<std::string> CHECKLEVEL_DOC;
 
-/** Open a block file (blk?????.dat) */
-FILE* OpenBlockFile(const FlatFilePos &pos, bool fReadOnly = false);
-/** Translation to a filesystem path */
-fs::path GetBlockPosFilename(const FlatFilePos &pos);
 /** Unload database information */
 void UnloadBlockIndex(CTxMemPool* mempool, ChainstateManager& chainman);
 /** Run instances of script checking worker threads */
@@ -165,14 +161,6 @@ bool AbortNode(BlockValidationState& state, const std::string& strMessage, const
 /** Guess verification progress (as a fraction between 0.0=genesis and 1.0=current tip). */
 double GuessVerificationProgress(const ChainTxData& data, const CBlockIndex* pindex);
 
-/** Calculate the amount of disk space the block & undo files currently use */
-uint64_t CalculateCurrentUsage();
-
-/**
- *  Actually unlink the specified files
- */
-void UnlinkPrunedFiles(const std::set<int>& setFilesToPrune);
-
 /** Prune block files up to a given height */
 void PruneBlockFilesManual(CChainState& active_chainstate, int nManualPruneHeight);
 
@@ -993,9 +981,6 @@ extern VersionBitsCache versionbitscache;
  */
 int32_t ComputeBlockVersion(const CBlockIndex* pindexPrev, const Consensus::Params& params);
 
-/** Get block file info entry for one block file */
-CBlockFileInfo* GetBlockFileInfo(size_t n);
-
 using FopenFn = std::function<FILE*(const fs::path&, const char*)>;
 
 /** Dump the mempool to disk. */